@media (max-width:639px) and (min-width:449px){ 
    .content {
        margin-top: 70px;
        padding-bottom: 60px;
    }
    .content ul {
        list-style: none;
    }
    .content ul li {
        margin-top: 30px;
        font-size: 13px;
        color: #049fbb;
        padding-left: 40px;
    }
    .content ul li a {
        width: 80px;
        text-decoration: none;
        display: block;
    }
    .content .rgt {
        width: 450px;
        background: #fff;
        margin: 0 auto;
    }
    .content .rgt .font-title {
        font-size: 12px;
        padding-left: 30px;
        padding-top: 80px;
    }
    .content .rgt .font-h1 {
        padding-left: 30px;
        padding-top: 20px;
        font-size: 24px;
        padding-bottom: 20px;
    }
    .content .rgt .font-center {
        width: 420px;
        margin: 0 auto;
        border-top: 1px dashed #ccc;
        padding-top: 20px;
        font-size: 13px;
        padding-bottom: 50px;
    }
    .content .rgt ol {
        width: 420px;
        font-size: 13px;
        list-style: none;
    }
    .content .rgt ol li {
        line-height: 20px;
    }
    .content .rgt ol li:nth-child(14) {
        margin-top: 20px;
    }
}